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Showing 1 to 7 of 7 for “"Nullstellensatz"”.
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An Introduction to Hilbert’s Nullstellensatz: an Insight for the Algebraically Minded
This paper contains Hilbert's Nullstellensatz, one of the fundamental theorems of algebraic geometry. The main approach uses the algebraic proof and all of the necessary background to understand and appreciate the Nullstellensatz. The paper also contains the Combinatorial Nullstellensatz, the proof …
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Hilbertin Nullstellesatz
… kolme erilaista keinoa todistaa Hilbertin Nullstellensatzin heikko muoto ja tarkastellaan lähestysmistapojen eroavaisuuksia. Tämän jälkeen Nullstellensatzin vahva muoto johdetaan heikosta muodosta käyttäen radikaaleja ja Rabinowitschin keinoa. Lopuksi esitellään joitakin algebrallisen …
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Variations on the Theme of Higher Dimensional Weisfeiler-Leman Algorithms
… polynomial calculus, monomial calculus and Nullstellensatz calculus. These are well studied and have been used in the context of graph isomorphism in [14] and [39]. Our results generalise some of the work in the latter two papers and contribute to a deeper understanding of the apparently …
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Approximate Transversals of Latin Squares
… square, applications of Alon's Combinatorial Nullstellensatz to latin squares, and complete mappings of finite loops.</p>
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Elimination for Systems of Algebraic Differential Equations
… a new upper bound for the effective differential Nullstellensatz, which determines a sufficient number of times to differentiate the original system in order to prove its inconsistency. Finally, we study the Rosenfeld-Gröbner algorithm, which approaches differential elimination by decomposing the …
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Some hardness escalation results in computational complexity theory
… contradiction that is refutable with logarithmic Nullstellensatz degree. Finally, we describe an intimate connection between computational models and communication complexity analogs of the sub-classes of TFNP, the class of all total search problems in NP. We show that the communication analog of …
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Identifying Perfect Nonlocal Games
… algebraic geometry known as a (non-commutative) Nullstellensatz. • A sufficient condition for a class of nonlocal games called XOR games to have a perfect commuting operator strategy. This condition can be checked in polynomial time, and can be understood either as non-existence of a …